10990812 has 24 divisors (see below), whose sum is σ = 29309056. Its totient is φ = 3140208.

The previous prime is 10990787. The next prime is 10990841. The reversal of 10990812 is 21809901.

It is a self number, because there is not a number n which added to its sum of digits gives 10990812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65338 + ... + 65505.

Almost surely, 2^10990812 is an apocalyptic number.

10990812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10990812 is an abundant number, since it is smaller than the sum of its proper divisors (18318244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10990812 is a wasteful number, since it uses less digits than its factorization.

10990812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130857 (or 130855 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 10990812 is about 3315.2393578745. The cubic root of 10990812 is about 222.3360708114.

The spelling of 10990812 in words is "ten million, nine hundred ninety thousand, eight hundred twelve".